How teens deal with stress may affect their immune system. When they bottle emotions up they tended to have more inflammation when their immune cells were exposed to a bacterial stimulus, but if they used cognitive reappraisal to put a positive spin on things they had better metabolic measures.

See the source article by following the link below:
How teens deal with stress may affect their immune system. When they bottle emotions up they tended to have more inflammation when their immune cells were exposed to a bacterial stimulus, but if they used cognitive reappraisal to put a positive spin on things they had better metabolic measures.